libaom v2.0.2

[Wan-Teh Chang]

The libaom 2.0.2 release has been finalized.

The release is available from the git repository[0] on the Applejack branch
and the automatic v2.0.2 tarball[1].

This release includes several bug fixes.

- Bug fixes:
Issue 2643: Modify the assertion in temporal filter intrinsics.

Issue 2648: Fix unit test ThreadTestLarge.EncoderResultTest/49
assertion failure.

Issue 2869: Add -Wimplicit-function-declaration as C flag only.

Issue 2878: Avoid memset in the av1_filter_intra_predictor module
functions.

Issue 2903: Fix a typo bug in apply_temporal_filter_planewise.

Call av1_setup_frame_size() when dropping a frame in the
encode_frame_to_data_rate() function in av1/encoder/encoder.c.

[0] https://aomedia.googlesource.com/aom/+/refs/tags/v2.0.2
[1] https://storage.googleapis.com/aom-releases/libaom-2.0.2.tar.gz
https://storage.googleapis.com/aom-releases/libaom-2.0.2.tar.gz.asc